I'm very curios about this situation, please let us know if you manage to write a version that's faster than the python one (as David claims is possible). I would attempt it myself but I've only just recently had the time to dive back into Clojure. :-\
- Greg On Nov 5, 2010, at 9:38 AM, pepijn (aka fliebel) wrote: > I will have a look around. > > I listed the map I used in my first email, It's on my Dropbox: > http://dl.dropbox.com/u/10094764/World2.zip > > Meanwhile I wrote a function that is already twice as fast as I had, > no memory problems, no threads. One tinny problem: it doesn't produce > the same result. > > It's the one at the top: https://gist.github.com/663096 > > The other day I found out that this kind of logic will actually refer > to the same same transient. This eliminates the remainder and associng > in the areduce fn second in the list, but I'm not sure this is > reliable, and it might be the reason why some results get lost. > > On Nov 5, 4:24 pm, David Nolen <dnolen.li...@gmail.com> wrote: >> On Fri, Nov 5, 2010 at 10:41 AM, pepijn (aka fliebel) <pepijnde...@gmail.com >> >>> wrote: >>> I don't know how to check the GC activity on my project, but I did run >>> Mian on Jython. It performs much like my initial Clojure version. It >>> consumes absurd amounts of memory and never finishes. >> >>> So I think we can safely say that Java's GC or the way it stores data >>> is less efficient on this type of problem than Python. >> >> It's common that iteration heavy, mutation heavy code which is idiomatic in >> Python poses some challenges when translating to Clojure. Making this run >> faster than Python should be possible, and I would be surprised if it wasn't >> quite a bit faster. You should search the Google Group for the various >> threads on optimizing slow Clojure code. >> >> I note that the repo does not contain the data file which your code runs >> against? >> >> David > > -- > You received this message because you are subscribed to the Google > Groups "Clojure" group. > To post to this group, send email to clojure@googlegroups.com > Note that posts from new members are moderated - please be patient with your > first post. > To unsubscribe from this group, send email to > clojure+unsubscr...@googlegroups.com > For more options, visit this group at > http://groups.google.com/group/clojure?hl=en -- You received this message because you are subscribed to the Google Groups "Clojure" group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en
